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pic18f4550 icsp problem

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Engineer's picture
Last seen: 8 years 4 months ago
Joined: 14/09/2010 - 12:59
pic18f4550 icsp problem

 i am workin on pic18f4550 icsp programmer which is JDM type serial programmer. i am trying to make pic development board. when i program the controller the execution dosent started automatically. i have to disconnect the MCLR pin of programmer. the MCLRE bit of config register is activate.


it is necessary to do this or i am doing  any silly mistake with circuit or config bits. plz reply if any one knows the answer.

arun's picture
Last seen: 5 years 5 months ago
Joined: 05/10/2011 - 15:21
Is the Jdm serial Programmer 

Is the Jdm serial Programmer  your working is detecting your Device Properly??

Which software you are using to transfer the code to MCU??



i think there is a problem with your configuration bits itself .